Revert "Fix handling of array whose size contains <<"

This reverts commit 2227dc9e53.

Examples/test-suite/arrays.i

@@ -73,8 +73,4 @@ typedef struct {
 cartPosition_t p;
 } CartPoseData_t;
 
-/* Test left shift in array size doesn't trigger "Bad template type" error.
- * Regression test for https://sourceforge.net/p/swig/bugs/983/ */
-int array_shifted_size[(1<<2)];
-
 %}